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Iminodiacetic acid

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Iminodiacetic acid Basic information

Product Name:
Iminodiacetic acid
CAS:
142-73-4
MF:
C4H7NO4
MW:
133.1
EINECS:
205-555-4
Mol File:
142-73-4.mol
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Iminodiacetic acid Chemical Properties

Melting point:
243 °C (dec.)(lit.)
Boiling point:
245.59°C (rough estimate)
Density 
1.5325 (rough estimate)
refractive index 
1.4540 (estimate)
storage temp. 
Store below +30°C.
solubility 
42g/l
pka
2.98, 9.89(at 25℃)
form 
Crystalline Powder
color 
White or yellow
PH
2.2-2.3 (H2O, 20℃)(saturated solution)
Water Solubility 
2.43 g/100 mL (5 ºC)
Merck 
14,4917
BRN 
878499
InChIKey
NBZBKCUXIYYUSX-UHFFFAOYSA-N
CAS DataBase Reference
142-73-4(CAS DataBase Reference)
NIST Chemistry Reference
Glycine, N-(carboxymethyl)-(142-73-4)
EPA Substance Registry System
Glycine, N-(carboxymethyl)- (142-73-4)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36-37/39
WGK Germany 
1
RTECS 
AI2975000
TSCA 
Yes
HS Code 
29224995
Hazardous Substances Data
142-73-4(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: > 2000 mg/kg

MSDS

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Iminodiacetic acid Usage And Synthesis

Chemical Properties

white or yellowish crystalline powder

Definition

ChEBI: An amino dicarboxylic acid that is glycine in which one of the hydrogens attached to the nitrogen is substituted by a carboxymethyl group.

Purification Methods

Crystallise the acid several times from water. The N-Methyl derivative m 215o is purified by dissolving it in an equal weight of warm H2O and adding 3 volumes of MeOH [Kiematsu et al. Org Synth Coll Vol II 397 1943]. [Laberek & Martell J Am Chem Soc 74 5052 1952, Beilstein 4 III 2428, 4 IV 1176.]

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Suzhou Yuke Biological Technology Co., Ltd. Gold
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400-610-6006; 021-67582000
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